diff options
| -rw-r--r-- | ubi-utils/new-utils/src/ubiupdatevol.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/ubi-utils/new-utils/src/ubiupdatevol.c b/ubi-utils/new-utils/src/ubiupdatevol.c index 5eeaa3c..c83731c 100644 --- a/ubi-utils/new-utils/src/ubiupdatevol.c +++ b/ubi-utils/new-utils/src/ubiupdatevol.c @@ -157,10 +157,15 @@ static int parse_opt(int argc, char * const argv[]) args.node = argv[optind]; args.img = argv[optind + 1]; - if (strcmp(args.img, "-") == 0) - args.use_stdin = 1; - if (args.use_stdin && !args.size) - return errmsg("file size must be specified if input is stdin"); + if (args.img && args.truncate) + return errmsg("You can't truncate and specify an image (use -h for help)"); + + if (args.img && !args.truncate) { + if (strcmp(args.img, "-") == 0) + args.use_stdin = 1; + if (args.use_stdin && !args.size) + return errmsg("file size must be specified if input is stdin"); + } return 0; } |